| pyrimidine-nucleoside phosphorylase | <enzyme> Consider uridine phosphorylase and thymidine phosphorylase Registry number: EC 2.4.2.2 Synonym: pyrimidine nucleoside phosphorylase (26 Jun 1999) |
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| pyrimidodiazepine synthase | <enzyme> Converts pyruvoyl-h4-pterin to pyrimidodiazepine by removal of a methyl group and reduction of a ketone group; requires glutathione Registry number: EC 1.2.4.- Synonym: pda synthase (26 Jun 1999) |
| pyritaceous | <chemical> Of or pertaining to pyrites. See Pyritic. Source: Websters Dictionary (01 Mar 1998) |
| pyrite | <chemistry> A name given to a number of common sulphur-containing metallic minerals, sulphides of iron, copper, cobalt, nickel, and tin, of a white or yellowish colour. The term was originally applied to the mineral pyrite, or iron pyrites, in allusion to its giving sparks when struck with steel. Arsenical pyrites, arsenopyrite. Auriferous pyrites. See Auriferous. Capillary pyrites, millerite. Common pyrites, isometric iron disulphide; pyrite. Hair pyrites, millerite. Iron pyrites. Magnetic pyrites, pyrrhotite. Tin pyrites, stannite. White iron pyrites, orthorhombic iron disulphide; marcasite. This includes cockscomb pyrites (a variety of marcasite, named in allusion to its form), spear pyrites, etc. Yellow, or Copper, pyrites, the sulphide of copper and iron; chalcopyrite. Origin: L, fr. Gr, fr. Fire. See Pyre. Source: Websters Dictionary (01 Mar 1998) |
| pyrithiamin | A thiamin antimetabolite, differing from thiamin in that the thiazole ring of the thiamin molecule is replaced by a pyridine ring. Synonym: neopyrithiamin. (05 Mar 2000) |
| pyrithiamine | <chemical> A thiamine antagonist due to its inhibition of thiamine pyrophosphorylation. It is used to produce thiamine deficiency. Pharmacological action: antimetabolites. Chemical name: Pyridinium, 1-((4-amino-2-methyl-5-pyrimidinyl)methyl)-3-(2-hydroxyethyl)-2-methyl-, bromide, monohydrobromide (12 Dec 1998) |
| pyrithioxin | <chemical> 3,3'-(dithiodimethylene)bis[5-hydroxy-6-methyl-4-pyridinemethanol. Neurotropic agent. Reduces permeability of blood-brain barrier to phosphate. Has no vitamin b6 activity. Synonym: bonifen; encephabol Chemical name: 4-Pyridinemethanol, 3,3'-(dithiobis(methylene))bis(5-hydroxy-6-methyl- (12 Dec 1998) |
| pyritical | <chemistry> Of or pertaining to pyrites; consisting of, or resembling, pyrites. Source: Websters Dictionary (01 Mar 1998) |
| pyritiferous | <chemistry> Containing or producing pyrites. Source: Websters Dictionary (01 Mar 1998) |
| pyritohedral | <chemistry> Like pyrites in hemihedral form. See: Pyritohedron. Source: Websters Dictionary (01 Mar 1998) |
| pyritohedron | <chemistry> The pentagonal dodecahedron, a common form of pyrite. Origin: Pyrite + Gr. Base. Source: Websters Dictionary (01 Mar 1998) |
| pyritoid | <chemistry> Pyritohedron. Source: Websters Dictionary (01 Mar 1998) |
| pyritology | <study> The science of blowpipe analysis. Source: Websters Dictionary (01 Mar 1998) |
| pyro- | 1. <prefix> A combining form denoting fire, heat, or fever. See: pyr-, pyreto-. 2. In chemistry, combining form denoting derivatives formed by removal of water (usually by heat) to form anhydrides. Abbreviation of pyrogallic acid. See: anhydro-. Origin: G. Pyr, fire (21 Jun 2000) |
| pyroacetic | <chemistry> Pertaining to, and designating, a substance (acetone) obtained by the distillation of the acetates. It is now Synonym: pyroacetic ether, and formerly was called pyroacetic spirit. Origin: Pyro- + acetic: cf. F. Pyroacetique. Source: Websters Dictionary (01 Mar 1998) |
Synonyms :
Synonyms :
Synonyms :
Synonyms : 1, 2, 3-Trihydroxybenzene, Pyrogallic acid, acid, Pyrogallic
Synonyms :
| pyriform |
Pear-shaped. Q Quadrate: Squarish or rectangular in shape.
출처: www.fish.washington.edu/naturemapping/mollusks/glo...
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| pyrenoid |
an organelle in or extending from the chloroplast and associated with reserve foood accumulation
출처: gmbis.marinebiodiversity.ca/BayOfFundy/glossMA.htm...
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| pyruvate kinase deficiency |
A hereditary deficiency of the enzyme pyruvate kinase. Pyruvate kinase deficiency results in hemolytic anemia.
출처: www.nutrabio.com/Definitions/definitions_p.htm
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| pyramidal tract |
(noun) one of three descending tracts of the spinal cord. Consists of fibers arising from the giant pyramidal cells of Betz present in the motor area of the cerebral cortex
출처: www.orgsites.com/fl/adjuvantdisease/_pgg9.php3
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| pyrimidine |
A heterocyclic aromatic compound containing nitrogen found in nucleic acids. See purine.
출처: xenon.che.ilstu.edu/genchemhelphomepage/glossary/p...
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| Pyr | a painful burning sensation in the chest caused by gastroesophageal reflux (backflow from the stomach irritating the esophagus) |
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| Pyr | a thermostat that operates at very high temperatures |
| Pyr | suggestive of fireworks |
| Pyr | of or relating to the draft of making fireworks |
| Pyr | of or relating to the draft of making fireworks |
| Pyr | the craft of making fireworks |
| Pyr | (usually plural) an explosive device that burns with colored flames |
| Pyr | brilliance of display (as in the performance of music) |
| Pyr | the craft of making fireworks |
| Pyr | any of a group of crystalline silicate mineral common in igneous and metamorphic rocks |
| Pyr | highly flammable nitrocellulose used in making collodion and plastics and lacquers |
| Pyr | highly flammable nitrocellulose used in making collodion and plastics and lacquers |